//
//  CZNetworkTools.swift
//  WHWeiBo01
//
//  Created by whitcast on 16/7/10.
//  Copyright © 2016年 itcast. All rights reserved.
//

import UIKit
import AFNetworking
//  定义请求类型的枚举, 默认值从0开始
enum RequestType: Int {
    case GET
    case POST
}


//  网络请求工具类
class CZNetworkTools: AFHTTPSessionManager {
    //  闭包回调别名
    typealias CallBack = (response: AnyObject?, error: NSError?)->()
    
    //  单例全局访问点
    static let sharedToos: CZNetworkTools = {
        let tools = CZNetworkTools()
        tools.responseSerializer.acceptableContentTypes?.insert("text/plain")
        return tools
    }()
    
    //  封装图片上传
    func requestUpload(url: String, params: AnyObject?, imageData: NSData, name: String, callBack: CallBack) {
    
        //  上传图片接口
        POST(url, parameters: params, constructingBodyWithBlock: { (formData) -> Void in
            /**
                imageData : 上传图片所需要二进制数据
                name: 服务端的获取数据的参数
                fileName: 告诉服务端我们的文件名字,服务端一般不会用,他们会自动生成唯一的一个图片名
                mimeType: 资源类型, octet-stream通用的资源类型
            */
            formData.appendPartWithFileData(imageData, name: name, fileName: "test", mimeType: "octet-stream")
            
            }, progress: nil, success: { (_, response) -> Void in
                callBack(response: response, error: nil)
            }) { (_, error) -> Void in
                callBack(response: nil, error: error)
        }
    }
    
    
    //  封装get/post请求
    func request(type: RequestType, url: String, params: AnyObject?, callBack: CallBack) {
        
        if type == .GET {
            GET(url, parameters: params, progress: nil, success: { (_, response) -> Void in
                
                callBack(response: response, error: nil)
                
                }, failure: { (_, error) -> Void in
                    callBack(response: nil, error: error)
            })
        } else {
            POST(url, parameters: params, progress: nil, success: { (_, response) -> Void in
                callBack(response: response, error: nil)
                }, failure: { (_, error) -> Void in
                    callBack(response: nil, error: error)
            })
        }
    }
}


// MARK:    -- 发送微博相关接口
extension CZNetworkTools {
    // 
    func upload(access_token: String, status: String, image: UIImage, callBack: CallBack) {
        //  准备url地址
        let url = "https://upload.api.weibo.com/2/statuses/upload.json"
        //  准备参数
        let params = [
            "access_token": access_token,
            "status": status
        ]
        
//        let imageData = UIImagePNGRepresentation(image)
//        imageData?.writeToFile("/Users/whitcast/Desktop/1.png", atomically: true)
        //  compressionQuality质量系数  0-1, 系数越小质量越低
        let imageData = UIImageJPEGRepresentation(image, 0.5)!

        
        requestUpload(url, params: params, imageData: imageData, name: "pic", callBack: callBack)
        
//        //  上传图片接口
//        POST(url, parameters: params, constructingBodyWithBlock: { (formData) -> Void in
//            
//            formData.appendPartWithFileData(imageData, name: "pic", fileName: "test", mimeType: "image/jpeg")
//            
//            }, progress: nil, success: { (_, response) -> Void in
//                callBack(response: response, error: nil)
//            }) { (_, error) -> Void in
//                callBack(response: nil, error: error)
//        }
        
    }
    
    
    
    /**
        发送文字微博接口
     
     - parameter access_token: 访问令牌
     - parameter status:       微博内容
     - parameter callBack:     数据回调
     */
    func update(access_token: String, status: String, callBack: CallBack) {
        //  准备接口地址
        let url = "https://api.weibo.com/2/statuses/update.json"
        //  准备参数
        let params = [
            "access_token": access_token,
            "status": status
        ]
        //  使用共有函数进行网络请求数据
        request(.POST, url: url, params: params, callBack: callBack)
    }

}


// MARK:    -- 首页微博相关接口
extension CZNetworkTools {
    //  获取微博数据
    /**
        获取微博数据
    
    - parameter maxId:    上拉加载所需要的微博id, 注意数据重复
    - parameter callBack: 数据回调
    */
    func loadStatus(maxId: Int64 = 0, sinceId: Int64 = 0, callBack: CallBack) {
        //  准备接口地址
        let url = "https://api.weibo.com/2/statuses/friends_timeline.json"
        //  准备参数
        let params = [
            "access_token": CZUserAccountViewModel.shareUserAccount.accessToken!,
            "max_id": "\(maxId)",
            "since_id": "\(sinceId)"
        ]
        
        print(url + "?access_token=" + CZUserAccountViewModel.shareUserAccount.accessToken!)
        
        request(.GET, url: url, params: params, callBack: callBack)
        
        
    }
    

}




//  OAuth登录相关接口
extension CZNetworkTools {
    //  通过授权码(code)获取accesstoken
    func requestAccesstoken(code: String, callBack: CallBack) {
        //  准备接口地址
        let url = "https://api.weibo.com/oauth2/access_token"
        //  准备参数
        let params = [
            "client_id": WeiboAppKey,
            "client_secret": WeiboAppSecret,
            "grant_type": "authorization_code",
            "code": code,
            "redirect_uri": WeiboRedirect_Uri
        ]
        
        //  使用通用接口去请求
        request(.POST, url: url, params: params, callBack: callBack)
        
        
        
    }
    
    
    //  获取用户信息
    func requestUserInfo(userAccount: CZUserAccount, callBack: CallBack) {
        //  请求接口地址
        let url = "https://api.weibo.com/2/users/show.json"
        //  准备请求参数
        //  int64,跟字符串放在一起编译不通过,需要转换成字符串
        let params = [
            "access_token": userAccount.access_token!,
            "uid": "\(userAccount.uid)"
        ]
        
        request(.GET, url: url, params: params, callBack: callBack)
    }

}



















